Lymphatic Vessels and Capillaries

What do lymphatic vessels begin as?

Lymphatic capillaries, which are closed on one end

Where are lymphatic capillaries located?

Between the cells of many tissues

What to lymphatic capillaries merge to form?

Lymphatic vessels

What is the structure of a lymphatic vessel like?

It has a thin wall and many valves (so that lymph travels in only one direction)

What does the relationship of lymphatic capillaries to tissue cells and blood capillaries look like?

What are the differences between lymphatic vessels and blood capillaries?

• Lymphatic vessels start as blind pockets rather than tubes

• Lymphatic vessels have larger diameters

• Lymphatic vessels have thinner walls

• Lymphatic vessels are flat or irregular in section